Based on 2 and 333 real audits
| Metric | AMP | Google Tag Manager | Winner |
|---|---|---|---|
| Performance | 41 | 37 | AMP |
| Accessibility | 79 | 88 | Google Tag Manager |
| Best Practices | 79 | 87 | Google Tag Manager |
| SEO | 88 | 92 | Google Tag Manager |
| Security | 64 | 64 | Tie |
| TTFB | 454ms | 285ms | Google Tag Manager |
| Composite | 73 | 73 | Tie |
Google Tag Manager outperforms AMP in 4 of 7 categories, with a stronger composite score (73 vs 73). AMP leads in performance.
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